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-rw-r--r--challenge-306/mahnkong/perl/ch-1.pl1
1 files changed, 1 insertions, 0 deletions
diff --git a/challenge-306/mahnkong/perl/ch-1.pl b/challenge-306/mahnkong/perl/ch-1.pl
index 363f464537..4ceac60be1 100644
--- a/challenge-306/mahnkong/perl/ch-1.pl
+++ b/challenge-306/mahnkong/perl/ch-1.pl
@@ -1,4 +1,5 @@
use strict;
+use warnings;
use feature 'signatures';
use Test::More 'no_plan';